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发明人李文辉,黄志刚,张德明. "Method for the Synthesis of 4-((2-Ethyl-5,7-dimethylpyrazolo[1,5-a]pyrimidin-3-yl)methyl)phenol" [P]. 中国发明专利, 专利号 CN 117258851 B, 授权公告日 2015-02-14.
发明人朱建伟,郑宇鹏,高志强. "A Process for Preparing High-Purity 4-((2-Ethyl-5,7-dimethylpyrazolo[1,5-a]pyrimidin-3-yl)methyl)phenol" [P]. 中国发明专利, 专利号 CN 111194828 B, 授权公告日 2016-05-20.
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